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ASTM A266 Carbon Steel vs. EN 1.5525 Steel

Both ASTM A266 carbon steel and EN 1.5525 steel are iron alloys.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
11 to 21
Fatigue Strength, MPa 170 to 200
210 to 310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 43
62 to 73
Shear Modulus, GPa 73
73
Shear Strength, MPa 320 to 380
310 to 350
Tensile Strength: Ultimate (UTS), MPa 500 to 600
440 to 1440
Tensile Strength: Yield (Proof), MPa 230 to 290
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51 to 52
50
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18 to 19
19
Embodied Water, L/kg 46 to 47
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
240 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
16 to 51
Strength to Weight: Bending, points 18 to 20
16 to 36
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 16 to 19
13 to 42